A pumper/installer/designer I’ve worked with for years posed a question to me about the design loading rate for sandy clay loam soils. I answered his question at the time, but thought the topic should be shared with a larger audience because I am sure he is not the only person who has wondered about loading rates for what I will term the clay loam soils.Here’s the situation I was asked about: The contractor’s state code used a design loading rate of 0.5 gallons per day per square foot (gpd/sq ft) for sandy clay loam soils, and he wondered if that
